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2021100002222 = 27909171587869
BaseRepresentation
bin11101011010010010111…
…100101001101110101110
321011012210221020000120212
4131122102330221232232
5231103203100032342
64144251443142422
7266006512364360
oct35322274515656
97135727200525
102021100002222
1170a164296854
12287852374a12
13118786ac09a2
146db70cb4d30
15378905d0182
hex1d692f29bae

2021100002222 has 16 divisors (see below), whose sum is σ = 3464783151840. Its totient is φ = 866175642528.

The previous prime is 2021100002203. The next prime is 2021100002237. The reversal of 2021100002222 is 2222000011202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2021100002197 and 2021100002206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478904 + ... + 2066772.

It is an arithmetic number, because the mean of its divisors is an integer number (216548946990).

Almost surely, 22021100002222 is an apocalyptic number.

2021100002222 is a deficient number, since it is larger than the sum of its proper divisors (1443683149618).

2021100002222 is a wasteful number, since it uses less digits than its factorization.

2021100002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678795.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2021100002222 its reverse (2222000011202), we get a palindrome (4243100013424).

The spelling of 2021100002222 in words is "two trillion, twenty-one billion, one hundred million, two thousand, two hundred twenty-two".

Divisors: 1 2 7 14 90917 181834 636419 1272838 1587869 3175738 11115083 22230166 144364285873 288728571746 1010550001111 2021100002222